# PHID for Students vs ResearchApp

The clearest difference is rating: PHID for Students at 3.0 against ResearchApp's 2.0. ResearchApp's advantage is update cadence (fortnightly vs every 62 months) and iOS requirement (10.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PHID for Students holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PHID for Students ships an update every 62 months, ResearchApp fortnightly. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PHID for Students | ResearchApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/phid-for-students/id1116560161/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/researchapp-join-a-study/id1494456384/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 62 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 21 MB | 172 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Stanley Ho Centre for Emerging Infectious Diseases. The Chinese University of Hong Kong.](https://appshunter.io/developer/1116560160) | [Healthbit LTD](https://appshunter.io/developer/940551025) |

## What reviewers say

### PHID for Students

[App page](https://appshunter.io/ios/app/phid-for-students/id1116560161)

This app serves as a handy manual for infectious diseases, specifically tailored for public health, nursing, and medical students. It offers a public health perspective, filling a gap in bio-medically focused resources and providing locally relevant material.

**Highlights:** Infectious disease manual, Public health perspective, Locally relevant resources, For students, Handy reference

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ResearchApp

[App page](https://appshunter.io/ios/app/researchapp-join-a-study/id1494456384)

Participate in medical research studies by entering a unique token code. Track your health information and share data with research teams, including HealthKit integration. This app facilitates the discovery of new medicines and improved health outcomes.

**Highlights:** Join consented research studies, Enter unique token codes, Track health questionnaires, Connect to HealthKit, Share data with research teams, Facilitates medicine discovery

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PHID for Students free?

PHID for Students is free to download, with no in-app purchases.

### Is ResearchApp free?

ResearchApp is free to download, with no in-app purchases.

### Which has better reviews, PHID for Students or ResearchApp?

PHID for Students is rated higher. PHID for Students averages 3.0 out of 5 from 1 ratings, while ResearchApp averages 2.0 from 1 ratings.

### Do PHID for Students or ResearchApp have ads?

Neither PHID for Students nor ResearchApp shows ads.

### Which is updated more often, PHID for Students or ResearchApp?

PHID for Students ships an update every 62 months, and ResearchApp fortnightly. Most recently, PHID for Students was updated on October 10, 2026 and ResearchApp on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*